Patents by Inventor Penelope J. Swanson

Penelope J. Swanson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20010008925
    Abstract: A polymerizable composition comprises an alpha-olefin hydrocarbon monomer, an effective amount of an organometallic catalyst of a Group VIII metal, preferably Ni or Pd, and at least one of water and air. Novel catalysts for polymerizing alpha-olefin hydrocarbon monomers provide improved processes and products. Methods of the invention include polymerizing the composition in open air and in the presence of water to provide novel polymers.
    Type: Application
    Filed: February 8, 2001
    Publication date: July 19, 2001
    Inventors: Katherine A. Brown, William M. Lamanna, Allen R. Siedle, Edward G. Stewart, Penelope J. Swanson
  • Patent number: 5942461
    Abstract: A polymerizable composition comprises an alpha-olefin hydrocarbon monomer, an effective amount of an organometallic catalyst of a Group VIII metal, preferably Ni or Pd, and at least one of water and air. Novel catalysts for polymerizing alpha-olefin hydrocarbon monomers provide improved processes and products. Methods of the invention include polymerizing the composition in open air and in the presence of water to provide novel polymers.
    Type: Grant
    Filed: April 15, 1996
    Date of Patent: August 24, 1999
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Katherine A. Brown, Edward G. Stewart, Penelope J. Swanson, William M. Lamanna, Allen R. Siedle